const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');

const indexRouter = require('./routes/index');
const usersRouter = require('./routes/users');
const societyRouter = require('./routes/society');
const adminRouter = require('./routes/admin');
const articleRouter = require('./routes/article');
const uploadRouter = require('./routes/upload');
const activityRouter = require('./routes/activity');
const commentRouter = require('./routes/comment');
const feedbackRouter = require('./routes/feedback');
const talkRouter = require('./routes/talk');
const applyRouter = require('./routes/apply');

const app = express();
const cors = require('cors');
app.use(cors());

// 注册将JWT字符串装换成JSON对象的中间件
const {expressjwt: expressJWT} = require("express-jwt")
const secretKey = 'XHY BiYeSheJi';
app.use('/admin', expressJWT({
  secret: secretKey,
  algorithms: ['HS256']
}).unless({
  path: ['/admin/login']
}));
// Token错误处理
app.use(function (err, req, res, next) {
  if (err.name === "UnauthorizedError") {
    res.send({
      code: 401,
      message: 'token过期或无效'
    })
  } else {
    next(err);
  }
});


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({extended: false}));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/api/dashboard', indexRouter);
app.use('/api/user', usersRouter);
app.use('/api/society', societyRouter);
app.use('/api/article', articleRouter);
app.use('/api/activity', activityRouter);
app.use('/api/comment', commentRouter);
app.use('/api/upload', uploadRouter);
app.use('/api/feedback', feedbackRouter);
app.use('/api/talk', talkRouter);
app.use('/api/apply', applyRouter);
app.use('/admin', adminRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});


module.exports = app;
